Are you a native English speaker? How do you pronounce this word?
Useless radioactive materials that are left after some laboratory or commercial process is completed.
Tutoring comment not yet available...
LearnThatWord and the Open Dictionary of English are programs by LearnThat Foundation, a 501(c)3 nonprofit.
Questions? Feedback? We want to hear from you!
or click here for instant support.
Copyright © 2005 and after - LearnThat Foundation. Patents pending.